Revealed - 2010 Audi TT-RS

Hottest-ever TT could have close to 350 bhp.

There's no mistaking the huge front air intakes of Audi's super-hot TT-RS, captured for the first time on testing duty in the U.S. — previously we'd seen prototypes at Germany's Nürburgring racetrack. While we originally believed this Porsche Cayman-fighting TT would be powered by a turbocharged 5-cylinder, the latest thinking is that it will instead use Audi's brand-new 3.0-liter TFSI supercharged V-6, which can be found in the new A6, and at a higher power level in the upcoming S4. Figure on this engine making close to 350 bhp in the all-wheel-drive TT-RS.

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The car's fancy wheels house big cross-drilled brakes, while the suspension will be significantly snubbed-down to handle the car's newfound power. Telltale oval exhaust tips hint that, yes, this is an Audi RS model. Although the test car pictured looks near production-ready, our source at Audi says we shouldn't expect the car on sale in the U.S. until at least mid-year 2009. And that we shouldn't expect it to be cheap — it will most likely cost more than $70,000.